Category: Physics

Which is oldest era? Paleozoic Era What are the four eras? The Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras The Geologic Time Scale is the history of the Earth broken down into four spans of time marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one […]

How may I be of help to you meaning? phrase. If someone or something is of help, they make a situation easier or better. Can I be of help to you? See full dictionary entry for help. How do I say I need help? Writing Skills Tone Tip If there is anything else you need, […]

What are SI units of mass? The SI unit of mass is the kilogram (kg). In science and technology, the weight of a body in a particular reference frame is defined as the force that gives the body an acceleration equal to the local acceleration of free fall in that reference frame. How do you […]

What does the slope of displacement time graph indicate? A sloping line on a displacement-time graph shows that the object is moving. In a displacement-time graph, the slope or gradient of the line, is equal to the velocity of the object. The steeper the line (and the greater the gradient) the faster the object is […]

Which two branching connect the trachea to the lungs? At its bottom end, the trachea divides into left and right air tubes called bronchi (BRAHN-kye), which connect to the lungs. Within the lungs, the bronchi branch into smaller bronchi and even smaller tubes called bronchioles (BRAHN-kee-olz). Which two branching tubes connect the trachea to the […]

What is a specular material? (of reflected light) directed, as from a smooth, polished surface (opposed to diffuse ). A specular surface is a highly smooth surface. When the surface is very smooth, the reflected highlight is easy to see. Why can’t you see your image on a concrete wall? Answer. Answer: You get diffuse […]

Which offensive line position is most important? Left Tackle What position gets the most tackles? linebackers What is the lowest paid position in NFL? long snapper position What is the easiest position in football and why? Receiver: 1 The easiest position on offense may be the receiver. He has limited responsibility and most plays may […]

How do plants release oxygen into the air? Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis. How long does water vapor stay in the atmosphere? A drop of water may spend over 3,000 years in the […]

What force is acting on the football players while they are standing? Normal Force is the force that acts on an object perpendicular to the surface it is resting on. For football, this applies to all players on the field, as the ground is the resting surface, as well as the football when it is […]

What is the #1 diet plan? The Cambridge 1:1 diet is a VLCD (Very low-calorie diet) meal replacement diet in which 415 to 1500 calories consumed daily through a combination of meal replacement bars, smoothies, shakes and soups. What is the most successful diet? Jan. 2, 2020 — For the third year in a row, […]